Grab some maps or brochures at Office du Tourisme et des Congres de Paris. This place has all the info you need to get the most out of your time in the region.
If you're staying a while in Paris City Center, Office du Tourisme et des Congrès de Paris is a great place to start your exploring. This tourist information center is one of many attractions that'll keep you busy here. Eiffel Tower, Louvre Museum, and Arc de Triomphe are also waiting to be explored nearby.